perf: Do not check PERF_EVENT_STATE_EXIT on syscall read path
Revert PERF_EVENT_STATE_EXIT check on read syscall path. It breaks standard way to read counter, which is to open the counter, wait for the monitored process to die and read the counter. Reported-by:Stephane Eranian <eranian@google.com> Signed-off-by:
Jiri Olsa <jolsa@kernel.org> Acked-by:
Stephane Eranian <eranian@google.com> Acked-by:
Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Stephane Eranian <eranian@google.com> Cc: David Ahern <dsahern@gmail.com> Link: http://lkml.kernel.org/r/20140908143107.GG17728@krava.brq.redhat.com Signed-off-by:
Ingo Molnar <mingo@kernel.org>
parent
a08b6769
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